A fantastical creature composed of vibrant neon light strands, intricately detailed with fairy-like illumination, exhibiting a photorealistic appearance. The creature glows with a rainbow of bright colors, surrounded by ethereal, volumetric beams of light that lend a mystical aura. Captured in high dynamic range, the scene is set in a vertically oriented aspect, enhancing the creature's towering, majestic presence against a dreamy backdrop.